src/gallium/drivers/radeon/radeon_video.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2013 Advanced Micro Devices, Inc.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
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  25  *
  26  **************************************************************************/
  27
  28 #ifndef RADEON_VIDEO_H
  29 #define RADEON_VIDEO_H
  30
  31 #include "radeon/radeon_winsys.h"
  32 #include "vl/vl_video_buffer.h"
  33
  34 #define RVID_ERR(fmt, args...) \
  35         fprintf(stderr, "EE %s:%d %s UVD - "fmt, __FILE__, __LINE__, __func__, ##args)
  36
  37 #define UVD_FW_1_66_16 ((1 << 24) | (66 << 16) | (16 << 8))
  38
  39 /* video buffer representation */
  40 struct rvid_buffer
  41 {
  42         unsigned                usage;
  43         struct r600_resource    *res;
  44 };
  45
  46 /* generate an stream handle */
  47 unsigned si_vid_alloc_stream_handle(void);
  48
  49 /* create a buffer in the winsys */
  50 bool si_vid_create_buffer(struct pipe_screen *screen, struct rvid_buffer *buffer,
  51                           unsigned size, unsigned usage);
  52
  53 /* destroy a buffer */
  54 void si_vid_destroy_buffer(struct rvid_buffer *buffer);
  55
  56 /* reallocate a buffer, preserving its content */
  57 bool si_vid_resize_buffer(struct pipe_screen *screen, struct radeon_cmdbuf *cs,
  58                           struct rvid_buffer *new_buf, unsigned new_size);
  59
  60 /* clear the buffer with zeros */
  61 void si_vid_clear_buffer(struct pipe_context *context, struct rvid_buffer* buffer);
  62
  63 /* join surfaces into the same buffer with identical tiling params
  64    sumup their sizes and replace the backend buffers with a single bo */
  65 void si_vid_join_surfaces(struct si_context *sctx,
  66                           struct pb_buffer** buffers[VL_NUM_COMPONENTS],
  67                           struct radeon_surf *surfaces[VL_NUM_COMPONENTS]);
  68
  69 #endif // RADEON_VIDEO_H